Guillaume Saint-Girons is Engineer from INSA de Rennes (1999), Doctor from the Paris-VI University Paris VI (2002), and holds an accreditation to supervise research from the Claude Bernard University – Lyon-I (2009). He joined CNRS as a researcher in 2002, and is co-head of the heteroepitaxy and nanostructures team at the Lyon Institute of Nanotechnology (INL) since 2010. He is director of the RIBER-INL joint laboratory on oxide molecular beam epitaxy since 2013. He is a specialist of the epitaxial growth and of the structural and optical properties of semiconductor and oxide based heterostructures and nanostructures. He has supervised six PhD theses and given more than 250 teaching hours. He coordinated five national research projects and one workpackage in an EC-FP7 project. He has authored or co-authored three patents, 24 invited conferences and 91 articles in international peer-reviewed journals (H factor 20).